... crisis that requires us to act boldly, quickly, and wisely," This quote illustrates Al Gore's message. The Theory • Carbon dioxide and other gases warm the surface of the planet naturally by trapping solar heat in the atmosphere. This is a good thing because it keeps our planet habitable. However, by burning fossil fuels such as coal, gas, and oil, and clearing forests we have dramatically increased the amount of carbon dioxide in the Earth's atmosphere and temperatures are rising. • The vast majority of scientists agree that global warming is real, it's already happening, and that it is the result of our activities and not a natural occurrence. • The evidence is overwhelming and undeniable. • We're already seeing changes. Glaciers are melting, plants and animals are being forced from their habitats, and the number of severe storms and droughts is increasing. • The number of Category 4 and 5 hurricanes has ...

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